package com.zyndev.tool.fastsql.util;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import javax.persistence.*;
import java.util.*;


/**
 * QueryBuilder
 *
 * @author 张瑀楠 wb.yunan.zhang@renren-inc.com
 * @version 1.0
 */
public class QueryBuilder implements Query {

    private final static Log logger = LogFactory.getLog(QueryBuilder.class);

    public QueryBuilder() {}


    /**
     * Execute a SELECT query and return the query results
     * as an untyped List.
     *
     * @return a list of the results
     * @throws IllegalStateException        if called for a Java
     *                                      Persistence query language UPDATE or DELETE statement
     * @throws QueryTimeoutException        if the query execution exceeds
     *                                      the query timeout value set and only the statement is
     *                                      rolled back
     * @throws TransactionRequiredException if a lock mode other than
     *                                      <code>NONE</code> has been set and there is no transaction
     *                                      or the persistence context has not been joined to the transaction
     * @throws PessimisticLockException     if pessimistic locking
     *                                      fails and the transaction is rolled back
     * @throws LockTimeoutException         if pessimistic locking
     *                                      fails and only the statement is rolled back
     * @throws PersistenceException         if the query execution exceeds
     *                                      the query timeout value set and the transaction
     *                                      is rolled back
     */
    @Override
    public List getResultList() {
        return null;
    }

    /**
     * Execute a SELECT query that returns a single untyped result.
     *
     * @return the result
     * @throws NoResultException            if there is no result
     * @throws NonUniqueResultException     if more than one result
     * @throws IllegalStateException        if called for a Java
     *                                      Persistence query language UPDATE or DELETE statement
     * @throws QueryTimeoutException        if the query execution exceeds
     *                                      the query timeout value set and only the statement is
     *                                      rolled back
     * @throws TransactionRequiredException if a lock mode other than
     *                                      <code>NONE</code> has been set and there is no transaction
     *                                      or the persistence context has not been joined to the transaction
     * @throws PessimisticLockException     if pessimistic locking
     *                                      fails and the transaction is rolled back
     * @throws LockTimeoutException         if pessimistic locking
     *                                      fails and only the statement is rolled back
     * @throws PersistenceException         if the query execution exceeds
     *                                      the query timeout value set and the transaction
     *                                      is rolled back
     */
    @Override
    public Object getSingleResult() {
        return null;
    }

    /**
     * Execute an update or delete statement.
     *
     * @return the number of entities updated or deleted
     * @throws IllegalStateException        if called for a Java
     *                                      Persistence query language SELECT statement or for
     *                                      a criteria query
     * @throws TransactionRequiredException if there is
     *                                      no transaction or the persistence context has not
     *                                      been joined to the transaction
     * @throws QueryTimeoutException        if the statement execution
     *                                      exceeds the query timeout value set and only
     *                                      the statement is rolled back
     * @throws PersistenceException         if the query execution exceeds
     *                                      the query timeout value set and the transaction
     *                                      is rolled back
     */
    @Override
    public int executeUpdate() {
        return 0;
    }

    /**
     * Set the maximum number of results to retrieve.
     *
     * @param maxResult maximum number of results to retrieve
     * @return the same query instance
     * @throws IllegalArgumentException if the argument is negative
     */
    @Override
    public Query setMaxResults(int maxResult) {
        return null;
    }

    /**
     * The maximum number of results the query object was set to
     * retrieve. Returns <code>Integer.MAX_VALUE</code> if <code>setMaxResults</code> was not
     * applied to the query object.
     *
     * @return maximum number of results
     * @since Java Persistence 2.0
     */
    @Override
    public int getMaxResults() {
        return 0;
    }

    /**
     * Set the position of the first result to retrieve.
     *
     * @param startPosition position of the first result,
     *                      numbered from 0
     * @return the same query instance
     * @throws IllegalArgumentException if the argument is negative
     */
    @Override
    public Query setFirstResult(int startPosition) {
        return null;
    }

    /**
     * The position of the first result the query object was set to
     * retrieve. Returns 0 if <code>setFirstResult</code> was not applied to the
     * query object.
     *
     * @return position of the first result
     * @since Java Persistence 2.0
     */
    @Override
    public int getFirstResult() {
        return 0;
    }

    /**
     * Set a query property or hint. The hints elements may be used
     * to specify query properties and hints. Properties defined by
     * this specification must be observed by the provider.
     * Vendor-specific hints that are not recognized by a provider
     * must be silently ignored. Portable applications should not
     * rely on the standard timeout hint. Depending on the database
     * in use and the locking mechanisms used by the provider,
     * this hint may or may not be observed.
     *
     * @param hintName name of the property or hint
     * @param value    value for the property or hint
     * @return the same query instance
     * @throws IllegalArgumentException if the second argument is not
     *                                  valid for the implementation
     */
    @Override
    public Query setHint(String hintName, Object value) {
        return null;
    }

    /**
     * Get the properties and hints and associated values that are
     * in effect for the query instance.
     *
     * @return query properties and hints
     * @since Java Persistence 2.0
     */
    @Override
    public Map<String, Object> getHints() {
        return null;
    }

    /**
     * Bind the value of a <code>Parameter</code> object.
     *
     * @param param parameter object
     * @param value parameter value
     * @return the same query instance
     * @throws IllegalArgumentException if the parameter
     *                                  does not correspond to a parameter of the
     *                                  query
     * @since Java Persistence 2.0
     */
    @Override
    public <T> Query setParameter(Parameter<T> param, T value) {
        return null;
    }

    /**
     * Bind an instance of <code>java.util.Calendar</code> to a <code>Parameter</code> object.
     *
     * @param param        parameter object
     * @param value        parameter value
     * @param temporalType temporal type
     * @return the same query instance
     * @throws IllegalArgumentException if the parameter does not
     *                                  correspond to a parameter of the query
     * @since Java Persistence 2.0
     */
    @Override
    public Query setParameter(Parameter<Calendar> param, Calendar value, TemporalType temporalType) {
        return null;
    }

    /**
     * Bind an instance of <code>java.util.Date</code> to a <code>Parameter</code> object.
     *
     * @param param        parameter object
     * @param value        parameter value
     * @param temporalType temporal type
     * @return the same query instance
     * @throws IllegalArgumentException if the parameter does not
     *                                  correspond to a parameter of the query
     * @since Java Persistence 2.0
     */
    @Override
    public Query setParameter(Parameter<Date> param, Date value, TemporalType temporalType) {
        return null;
    }

    /**
     * Bind an argument value to a named parameter.
     *
     * @param name  parameter name
     * @param value parameter value
     * @return the same query instance
     * @throws IllegalArgumentException if the parameter name does
     *                                  not correspond to a parameter of the query or if
     *                                  the argument is of incorrect type
     */
    @Override
    public Query setParameter(String name, Object value) {
        return null;
    }

    /**
     * Bind an instance of <code>java.util.Calendar</code> to a named parameter.
     *
     * @param name         parameter name
     * @param value        parameter value
     * @param temporalType temporal type
     * @return the same query instance
     * @throws IllegalArgumentException if the parameter name does
     *                                  not correspond to a parameter of the query or if
     *                                  the value argument is of incorrect type
     */
    @Override
    public Query setParameter(String name, Calendar value, TemporalType temporalType) {
        return null;
    }

    /**
     * Bind an instance of <code>java.util.Date</code> to a named parameter.
     *
     * @param name         parameter name
     * @param value        parameter value
     * @param temporalType temporal type
     * @return the same query instance
     * @throws IllegalArgumentException if the parameter name does
     *                                  not correspond to a parameter of the query or if
     *                                  the value argument is of incorrect type
     */
    @Override
    public Query setParameter(String name, Date value, TemporalType temporalType) {
        return null;
    }

    /**
     * Bind an argument value to a positional parameter.
     *
     * @param position position
     * @param value    parameter value
     * @return the same query instance
     * @throws IllegalArgumentException if position does not
     *                                  correspond to a positional parameter of the
     *                                  query or if the argument is of incorrect type
     */
    @Override
    public Query setParameter(int position, Object value) {
        return null;
    }

    /**
     * Bind an instance of <code>java.util.Calendar</code> to a positional
     * parameter.
     *
     * @param position     position
     * @param value        parameter value
     * @param temporalType temporal type
     * @return the same query instance
     * @throws IllegalArgumentException if position does not
     *                                  correspond to a positional parameter of the query or
     *                                  if the value argument is of incorrect type
     */
    @Override
    public Query setParameter(int position, Calendar value, TemporalType temporalType) {
        return null;
    }

    /**
     * Bind an instance of <code>java.util.Date</code> to a positional parameter.
     *
     * @param position     position
     * @param value        parameter value
     * @param temporalType temporal type
     * @return the same query instance
     * @throws IllegalArgumentException if position does not
     *                                  correspond to a positional parameter of the query or
     *                                  if the value argument is of incorrect type
     */
    @Override
    public Query setParameter(int position, Date value, TemporalType temporalType) {
        return null;
    }

    /**
     * Get the parameter objects corresponding to the declared
     * parameters of the query.
     * Returns empty set if the query has no parameters.
     * This method is not required to be supported for native
     * queries.
     *
     * @return set of the parameter objects
     * @throws IllegalStateException if invoked on a native
     *                               query when the implementation does not support
     *                               this use
     * @since Java Persistence 2.0
     */
    @Override
    public Set<Parameter<?>> getParameters() {
        return null;
    }

    /**
     * Get the parameter object corresponding to the declared
     * parameter of the given name.
     * This method is not required to be supported for native
     * queries.
     *
     * @param name parameter name
     * @return parameter object
     * @throws IllegalArgumentException if the parameter of the
     *                                  specified name does not exist
     * @throws IllegalStateException    if invoked on a native
     *                                  query when the implementation does not support
     *                                  this use
     * @since Java Persistence 2.0
     */
    @Override
    public Parameter<?> getParameter(String name) {
        return null;
    }

    /**
     * Get the parameter object corresponding to the declared
     * parameter of the given name and type.
     * This method is required to be supported for criteria queries
     * only.
     *
     * @param name parameter name
     * @param type type
     * @return parameter object
     * @throws IllegalArgumentException if the parameter of the
     *                                  specified name does not exist or is not assignable
     *                                  to the type
     * @throws IllegalStateException    if invoked on a native
     *                                  query or Java Persistence query language query when
     *                                  the implementation does not support this use
     * @since Java Persistence 2.0
     */
    @Override
    public <T> Parameter<T> getParameter(String name, Class<T> type) {
        return null;
    }

    /**
     * Get the parameter object corresponding to the declared
     * positional parameter with the given position.
     * This method is not required to be supported for native
     * queries.
     *
     * @param position position
     * @return parameter object
     * @throws IllegalArgumentException if the parameter with the
     *                                  specified position does not exist
     * @throws IllegalStateException    if invoked on a native
     *                                  query when the implementation does not support
     *                                  this use
     * @since Java Persistence 2.0
     */
    @Override
    public Parameter<?> getParameter(int position) {
        return null;
    }

    /**
     * Get the parameter object corresponding to the declared
     * positional parameter with the given position and type.
     * This method is not required to be supported by the provider.
     *
     * @param position position
     * @param type     type
     * @return parameter object
     * @throws IllegalArgumentException if the parameter with the
     *                                  specified position does not exist or is not assignable
     *                                  to the type
     * @throws IllegalStateException    if invoked on a native
     *                                  query or Java Persistence query language query when
     *                                  the implementation does not support this use
     * @since Java Persistence 2.0
     */
    @Override
    public <T> Parameter<T> getParameter(int position, Class<T> type) {
        return null;
    }

    /**
     * Return a boolean indicating whether a value has been bound
     * to the parameter.
     *
     * @param param parameter object
     * @return boolean indicating whether parameter has been bound
     * @since Java Persistence 2.0
     */
    @Override
    public boolean isBound(Parameter<?> param) {
        return false;
    }

    /**
     * Return the input value bound to the parameter.
     * (Note that OUT parameters are unbound.)
     *
     * @param param parameter object
     * @return parameter value
     * @throws IllegalArgumentException if the parameter is not
     *                                  a parameter of the query
     * @throws IllegalStateException    if the parameter has not been
     *                                  been bound
     * @since Java Persistence 2.0
     */
    @Override
    public <T> T getParameterValue(Parameter<T> param) {
        return null;
    }

    /**
     * Return the input value bound to the named parameter.
     * (Note that OUT parameters are unbound.)
     *
     * @param name parameter name
     * @return parameter value
     * @throws IllegalStateException    if the parameter has not been
     *                                  been bound
     * @throws IllegalArgumentException if the parameter of the
     *                                  specified name does not exist
     * @since Java Persistence 2.0
     */
    @Override
    public Object getParameterValue(String name) {
        return null;
    }

    /**
     * Return the input value bound to the positional parameter.
     * (Note that OUT parameters are unbound.)
     *
     * @param position position
     * @return parameter value
     * @throws IllegalStateException    if the parameter has not been
     *                                  been bound
     * @throws IllegalArgumentException if the parameter with the
     *                                  specified position does not exist
     * @since Java Persistence 2.0
     */
    @Override
    public Object getParameterValue(int position) {
        return null;
    }

    /**
     * Set the flush mode type to be used for the query execution.
     * The flush mode type applies to the query regardless of the
     * flush mode type in use for the entity manager.
     *
     * @param flushMode flush mode
     * @return the same query instance
     */
    @Override
    public Query setFlushMode(FlushModeType flushMode) {
        return null;
    }

    /**
     * Get the flush mode in effect for the query execution.
     * If a flush mode has not been set for the query object,
     * returns the flush mode in effect for the entity manager.
     *
     * @return flush mode
     * @since Java Persistence 2.0
     */
    @Override
    public FlushModeType getFlushMode() {
        return null;
    }

    /**
     * Set the lock mode type to be used for the query execution.
     *
     * @param lockMode lock mode
     * @return the same query instance
     * @throws IllegalStateException if the query is found not to be
     *                               a Java Persistence query language SELECT query
     *                               or a CriteriaQuery query
     * @since Java Persistence 2.0
     */
    @Override
    public Query setLockMode(LockModeType lockMode) {
        return null;
    }

    /**
     * Get the current lock mode for the query.  Returns null if a lock
     * mode has not been set on the query object.
     *
     * @return lock mode
     * @throws IllegalStateException if the query is found not to be
     *                               a Java Persistence query language SELECT query or
     *                               a Criteria API query
     * @since Java Persistence 2.0
     */
    @Override
    public LockModeType getLockMode() {
        return null;
    }

    /**
     * Return an object of the specified type to allow access to
     * the provider-specific API.  If the provider's query
     * implementation does not support the specified class, the
     * <code>PersistenceException</code> is thrown.
     *
     * @param cls the class of the object to be returned.  This is
     *            normally either the underlying query
     *            implementation class or an interface that it
     *            implements.
     * @return an instance of the specified class
     * @throws PersistenceException if the provider does not support
     *                              the call
     * @since Java Persistence 2.0
     */
    @Override
    public <T> T unwrap(Class<T> cls) {
        return null;
    }
}
